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stage1: fix crash when invalid type used in array type 

closes #1186
master
Andrew Kelley 2018-09-05 10:43:35 -04:00
parent 3e94650ef7
commit a76a72469b
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GPG Key ID: 4E7CD66038A4D47C
2 changed files with 17 additions and 0 deletions
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4
src/ir.cpp
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@ -15474,6 +15474,8 @@ static TypeTableEntry *ir_analyze_instruction_asm(IrAnalyze *ira, IrInstructionA
static TypeTableEntry *ir_analyze_instruction_array_type(IrAnalyze *ira,
IrInstructionArrayType *array_type_instruction)
{
Error err;
IrInstruction *size_value = array_type_instruction->size->other;
uint64_t size;
if (!ir_resolve_usize(ira, size_value, &size))
@ -15515,6 +15517,8 @@ static TypeTableEntry *ir_analyze_instruction_array_type(IrAnalyze *ira,
case TypeTableEntryIdBoundFn:
case TypeTableEntryIdPromise:
{
if ((err = ensure_complete_type(ira->codegen, child_type)))
return ira->codegen->builtin_types.entry_invalid;
TypeTableEntry *result_type = get_array_type(ira->codegen, child_type, size);
ConstExprValue *out_val = ir_build_const_from(ira, &array_type_instruction->base);
out_val->data.x_type = result_type;

13
test/compile_errors.zig
View File

@ -1,6 +1,19 @@
const tests = @import("tests.zig");
pub fn addCases(cases: *tests.CompileErrorContext) void {
cases.add(
"invalid type used in array type",
\\const Item = struct {
\\ field: SomeNonexistentType,
\\};
\\var items: [100]Item = undefined;
\\export fn entry() void {
\\ const a = items[0];
\\}
,
".tmp_source.zig:2:12: error: use of undeclared identifier 'SomeNonexistentType'",
);
cases.add(
"@noInlineCall on an inline function",
\\inline fn foo() void {}